Aqueous coating composition
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
Feb 28, 1994
filing date -
Mar 4, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An aqueous coating composition constitutes an aqueous graft copolymer and an amino resin, the graft copolymer being obtained by neutralizing, with a base, the carboxyl groups of a copolymer which is obtained by copolymerizing the following components (a), (b), (c) and (d) and which contains 3-30% of component (a), 3-20% of component (b), 5-40% of component (c) and 10-89% of component (d): (a) a radical-polymerizable compound, preferably a macromolecular monomer which is a copolymer of a hydroxyalkyl (meth)acrylate and another .alpha.,.beta.-ethylenically unsaturated monomer, having a radical-polymerizable group at one end, (b) an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, (c) a hydroxyalkyl (meth)acrylate, and (d) another vinyl monomer.
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